void GDTokenizerText::_advance() {
if (error_flag) {
//parser broke
_make_error(last_error);
return;
}
if (code_pos>=len) {
_make_token(TK_EOF);
return;
}
#define GETCHAR(m_ofs) ((m_ofs+code_pos)>=len?0:_code[m_ofs+code_pos])
#define INCPOS(m_amount) { code_pos+=m_amount; column+=m_amount; }
while (true) {
bool is_node_path = false;
StringMode string_mode=STRING_DOUBLE_QUOTE;
switch(GETCHAR(0)) {
case 0:
_make_token(TK_EOF);
break;
case '\\':
INCPOS(1);
if (GETCHAR(0)=='\r') {
INCPOS(1);
}
if (GETCHAR(0)!='\n') {
_make_error("Expected newline after '\\'.");
return;
}
INCPOS(1);
while(GETCHAR(0)==' ' || GETCHAR(0)=='\t') {
INCPOS(1);
}
continue;
case '\t':
case '\r':
case ' ':
INCPOS(1);
continue;
case '\n': {
line++;
INCPOS(1);
column=0;
int i=0;
while(GETCHAR(i)==' ' || GETCHAR(i)=='\t') {
i++;
}
_make_newline(i);
return;
}
#if 1 //py style tokenizer
case '#': { // line comment skip
while(GETCHAR(0)!='\n') {
code_pos++;
if (GETCHAR(0)==0) { //end of file
//_make_error("Unterminated Comment");
_make_token(TK_EOF);
return;
}
}
INCPOS(1);
column=0;
line++;
int i=0;
while(GETCHAR(i)==' ' || GETCHAR(i)=='\t') {
i++;
}
_make_newline(i);
return;
} break;
#endif
case '/': {
switch(GETCHAR(1)) {
#if 0 // c style tokenizer
case '*': { // block comment
int pos = code_pos+2;
int new_line=line;
int new_col=column+2;
while(true) {
if (_code[pos]=='0') {
_make_error("Unterminated Comment");
code_pos=pos;
return;
}
if (_code[pos]=='*' && _code[pos+1]=='/') {
new_col+=2;
pos+=2; //compensate
break;
} else if (_code[pos]=='\n') {
new_line++;
new_col=0;
} else {
new_col++;
}
pos++;
}
column=new_col;
line=new_line;
code_pos=pos;
continue;
} break;
case '/': { // line comment skip
while(GETCHAR(0)!='\n') {
code_pos++;
if (GETCHAR(0)==0) { //end of file
_make_error("Unterminated Comment");
return;
}
}
INCPOS(1);
column=0;
line++;
continue;
} break;
#endif
case '=': { // diveq
_make_token(TK_OP_ASSIGN_DIV);
INCPOS(1);
} break;
default:
_make_token(TK_OP_DIV);
}
} break;
case '=': {
if (GETCHAR(1)=='=') {
_make_token(TK_OP_EQUAL);
INCPOS(1);
} else
_make_token(TK_OP_ASSIGN);
} break;
case '<': {
if (GETCHAR(1)=='=') {
_make_token(TK_OP_LESS_EQUAL);
INCPOS(1);
} else if (GETCHAR(1)=='<') {
if (GETCHAR(2)=='=') {
_make_token(TK_OP_ASSIGN_SHIFT_LEFT);
INCPOS(1);
} else {
_make_token(TK_OP_SHIFT_LEFT);
}
INCPOS(1);
} else
_make_token(TK_OP_LESS);
} break;
case '>': {
if (GETCHAR(1)=='=') {
_make_token(TK_OP_GREATER_EQUAL);
INCPOS(1);
} else if (GETCHAR(1)=='>') {
if (GETCHAR(2)=='=') {
_make_token(TK_OP_ASSIGN_SHIFT_RIGHT);
INCPOS(1);
} else {
_make_token(TK_OP_SHIFT_RIGHT);
}
INCPOS(1);
} else {
_make_token(TK_OP_GREATER);
}
} break;
case '!': {
if (GETCHAR(1)=='=') {
_make_token(TK_OP_NOT_EQUAL);
INCPOS(1);
} else {
_make_token(TK_OP_NOT);
}
} break;
//case '"' //string - no strings in shader
//case '\'' //string - no strings in shader
case '{':
_make_token(TK_CURLY_BRACKET_OPEN);
break;
case '}':
_make_token(TK_CURLY_BRACKET_CLOSE);
break;
case '[':
_make_token(TK_BRACKET_OPEN);
break;
case ']':
_make_token(TK_BRACKET_CLOSE);
break;
case '(':
_make_token(TK_PARENTHESIS_OPEN);
break;
case ')':
_make_token(TK_PARENTHESIS_CLOSE);
break;
case ',':
_make_token(TK_COMMA);
break;
case ';':
_make_token(TK_SEMICOLON);
break;
case '?':
_make_token(TK_QUESTION_MARK);
break;
case ':':
_make_token(TK_COLON); //for methods maybe but now useless.
break;
case '^': {
if (GETCHAR(1)=='=') {
_make_token(TK_OP_ASSIGN_BIT_XOR);
INCPOS(1);
} else {
_make_token(TK_OP_BIT_XOR);
}
} break;
case '~':
_make_token(TK_OP_BIT_INVERT);
break;
case '&': {
if (GETCHAR(1)=='&') {
_make_token(TK_OP_AND);
INCPOS(1);
} else if (GETCHAR(1)=='=') {
_make_token(TK_OP_ASSIGN_BIT_AND);
INCPOS(1);
} else {
_make_token(TK_OP_BIT_AND);
}
} break;
case '|': {
if (GETCHAR(1)=='|') {
_make_token(TK_OP_OR);
INCPOS(1);
} else if (GETCHAR(1)=='=') {
_make_token(TK_OP_ASSIGN_BIT_OR);
INCPOS(1);
} else {
_make_token(TK_OP_BIT_OR);
}
} break;
case '*': {
if (GETCHAR(1)=='=') {
_make_token(TK_OP_ASSIGN_MUL);
INCPOS(1);
} else {
_make_token(TK_OP_MUL);
}
} break;
case '+': {
if (GETCHAR(1)=='=') {
_make_token(TK_OP_ASSIGN_ADD);
INCPOS(1);
//} else if (GETCHAR(1)=='+') {
// _make_token(TK_OP_PLUS_PLUS);
// INCPOS(1);
} else {
_make_token(TK_OP_ADD);
}
} break;
case '-': {
if (GETCHAR(1)=='=') {
_make_token(TK_OP_ASSIGN_SUB);
INCPOS(1);
//} else if (GETCHAR(1)=='-') {
// _make_token(TK_OP_MINUS_MINUS);
// INCPOS(1);
} else {
_make_token(TK_OP_SUB);
}
} break;
case '%': {
if (GETCHAR(1)=='=') {
_make_token(TK_OP_ASSIGN_MOD);
INCPOS(1);
} else {
_make_token(TK_OP_MOD);
}
} break;
case '@':
if( CharType(GETCHAR(1))!='"' && CharType(GETCHAR(1))!='\'' ) {
_make_error("Unexpected '@'");
return;
}
INCPOS(1);
is_node_path=true;
case '\'':
case '"': {
if (GETCHAR(0)=='\'')
string_mode=STRING_SINGLE_QUOTE;
int i=1;
if (string_mode==STRING_DOUBLE_QUOTE && GETCHAR(i)=='"' && GETCHAR(i+1)=='"') {
i+=2;
string_mode=STRING_MULTILINE;
}
String str;
while(true) {
if (CharType(GETCHAR(i))==0) {
_make_error("Unterminated String");
return;
} else if( string_mode==STRING_DOUBLE_QUOTE && CharType(GETCHAR(i))=='"' ) {
break;
} else if( string_mode==STRING_SINGLE_QUOTE && CharType(GETCHAR(i))=='\'' ) {
break;
} else if( string_mode==STRING_MULTILINE && CharType(GETCHAR(i))=='\"' && CharType(GETCHAR(i+1))=='\"' && CharType(GETCHAR(i+2))=='\"') {
i+=2;
break;
} else if( string_mode!=STRING_MULTILINE && CharType(GETCHAR(i))=='\n') {
_make_error("Unexpected EOL at String.");
return;
} else if (CharType(GETCHAR(i))=='\\') {
//escaped characters...
i++;
CharType next = GETCHAR(i);
if (next==0) {
_make_error("Unterminated String");
return;
}
CharType res=0;
switch(next) {
case 'a': res=7; break;
case 'b': res=8; break;
case 't': res=9; break;
case 'n': res=10; break;
case 'v': res=11; break;
case 'f': res=12; break;
case 'r': res=13; break;
case '\'': res='\''; break;
case '\"': res='\"'; break;
case '\\': res='\\'; break;
case '/': res='/'; break; //wtf
case 'u': {
//hexnumbarh - oct is deprecated
i+=1;
for(int j=0;j<4;j++) {
CharType c = GETCHAR(i+j);
if (c==0) {
_make_error("Unterminated String");
return;
}
if (!((c>='0' && c<='9') || (c>='a' && c<='f') || (c>='A' && c<='F'))) {
_make_error("Malformed hex constant in string");
return;
}
CharType v;
if (c>='0' && c<='9') {
v=c-'0';
} else if (c>='a' && c<='f') {
v=c-'a';
v+=10;
} else if (c>='A' && c<='F') {
v=c-'A';
v+=10;
} else {
ERR_PRINT("BUG");
v=0;
}
res<<=4;
res|=v;
}
i+=3;
} break;
default: {
_make_error("Invalid escape sequence");
return;
} break;
}
str+=res;
} else {
str+=CharType(GETCHAR(i));
}
i++;
}
INCPOS(i);
if (is_node_path) {
_make_constant(NodePath(str));
} else {
_make_constant(str);
}
} break;
case 0xFFFF: {
_make_token(TK_CURSOR);
} break;
default: {
if (_is_number(GETCHAR(0)) || (GETCHAR(0)=='.' && _is_number(GETCHAR(1)))) {
// parse number
bool period_found=false;
bool exponent_found=false;
bool hexa_found=false;
bool sign_found=false;
String str;
int i=0;
while(true) {
if (GETCHAR(i)=='.') {
if (period_found || exponent_found) {
_make_error("Invalid numeric constant at '.'");
return;
}
period_found=true;
} else if (GETCHAR(i)=='x') {
if (hexa_found || str.length()!=1 || !( (i==1 && str[0]=='0') || (i==2 && str[1]=='0' && str[0]=='-') ) ) {
_make_error("Invalid numeric constant at 'x'");
return;
}
hexa_found=true;
} else if (!hexa_found && GETCHAR(i)=='e') {
if (hexa_found || exponent_found) {
_make_error("Invalid numeric constant at 'e'");
return;
}
exponent_found=true;
} else if (_is_number(GETCHAR(i))) {
//all ok
} else if (hexa_found && _is_hex(GETCHAR(i))) {
} else if ((GETCHAR(i)=='-' || GETCHAR(i)=='+') && exponent_found) {
if (sign_found) {
_make_error("Invalid numeric constant at '-'");
return;
}
sign_found=true;
} else
break;
str+=CharType(GETCHAR(i));
i++;
}
if (!( _is_number(str[str.length()-1]) || (hexa_found && _is_hex(str[str.length()-1])))) {
_make_error("Invalid numeric constant: "+str);
return;
}
INCPOS(str.length());
if (hexa_found) {
int val = str.hex_to_int();
_make_constant(val);
} else if (period_found) {
real_t val = str.to_double();
//print_line("*%*%*%*% to convert: "+str+" result: "+rtos(val));
_make_constant(val);
} else {
int val = str.to_int();
_make_constant(val);
}
return;
}
if (GETCHAR(0)=='.') {
//parse period
_make_token(TK_PERIOD);
break;
}
if (_is_text_char(GETCHAR(0))) {
// parse identifier
String str;
str+=CharType(GETCHAR(0));
int i=1;
while(_is_text_char(GETCHAR(i))) {
str+=CharType(GETCHAR(i));
i++;
}
bool identifier=false;
if (str=="null") {
_make_constant(Variant());
} else if (str=="true") {
_make_constant(true);
} else if (str=="false") {
_make_constant(false);
} else {
bool found=false;
struct _bit { Variant::Type type; const char *text;};
//built in types
static const _bit type_list[]={
//types
{Variant::BOOL,"bool"},
{Variant::INT,"int"},
{Variant::REAL,"float"},
{Variant::STRING,"String"},
{Variant::VECTOR2,"vec2"},
{Variant::VECTOR2,"Vector2"},
{Variant::RECT2,"Rect2"},
{Variant::MATRIX32,"Matrix32"},
{Variant::MATRIX32,"mat32"},
{Variant::VECTOR3,"vec3"},
{Variant::VECTOR3,"Vector3"},
{Variant::_AABB,"AABB"},
{Variant::_AABB,"Rect3"},
{Variant::PLANE,"Plane"},
{Variant::QUAT,"Quat"},
{Variant::MATRIX3,"mat3"},
{Variant::MATRIX3,"Matrix3"},
{Variant::TRANSFORM,"trn"},
{Variant::TRANSFORM,"Transform"},
{Variant::COLOR,"Color"},
{Variant::IMAGE,"Image"},
{Variant::_RID,"RID"},
{Variant::OBJECT,"Object"},
{Variant::INPUT_EVENT,"InputEvent"},
{Variant::NODE_PATH,"NodePath"},
{Variant::DICTIONARY,"dict"},
{Variant::DICTIONARY,"Dictionary"},
{Variant::ARRAY,"Array"},
{Variant::RAW_ARRAY,"RawArray"},
{Variant::INT_ARRAY,"IntArray"},
{Variant::REAL_ARRAY,"FloatArray"},
{Variant::STRING_ARRAY,"StringArray"},
{Variant::VECTOR2_ARRAY,"Vector2Array"},
{Variant::VECTOR3_ARRAY,"Vector3Array"},
{Variant::COLOR_ARRAY,"ColorArray"},
{Variant::VARIANT_MAX,NULL},
};
{
int idx=0;
while(type_list[idx].text) {
if (str==type_list[idx].text) {
_make_type(type_list[idx].type);
found=true;
break;
}
idx++;
}
}
if (!found) {
//built in func?
for(int i=0;i<GDFunctions::FUNC_MAX;i++) {
if (str==GDFunctions::get_func_name(GDFunctions::Function(i))) {
_make_built_in_func(GDFunctions::Function(i));
found=true;
break;
}
}
//keywor
}
if (!found) {
struct _kws { Token token; const char *text;};
static const _kws keyword_list[]={
//ops
{TK_OP_IN,"in"},
{TK_OP_NOT,"not"},
{TK_OP_OR,"or"},
{TK_OP_AND,"and"},
//func
{TK_PR_FUNCTION,"func"},
{TK_PR_FUNCTION,"function"},
{TK_PR_CLASS,"class"},
{TK_PR_EXTENDS,"extends"},
{TK_PR_TOOL,"tool"},
{TK_PR_STATIC,"static"},
{TK_PR_EXPORT,"export"},
{TK_PR_SETGET,"setget"},
{TK_PR_VAR,"var"},
{TK_PR_PRELOAD,"preload"},
{TK_PR_ASSERT,"assert"},
{TK_PR_YIELD,"yield"},
{TK_PR_CONST,"const"},
//controlflow
{TK_CF_IF,"if"},
{TK_CF_ELIF,"elif"},
{TK_CF_ELSE,"else"},
{TK_CF_FOR,"for"},
{TK_CF_WHILE,"while"},
{TK_CF_DO,"do"},
{TK_CF_SWITCH,"switch"},
{TK_CF_BREAK,"break"},
{TK_CF_CONTINUE,"continue"},
{TK_CF_RETURN,"return"},
{TK_CF_PASS,"pass"},
{TK_SELF,"self"},
{TK_ERROR,NULL}
};
int idx=0;
found=false;
while(keyword_list[idx].text) {
if (str==keyword_list[idx].text) {
_make_token(keyword_list[idx].token);
found=true;
break;
}
idx++;
}
}
if (!found)
identifier=true;
}
if (identifier) {
_make_identifier(str);
}
INCPOS(str.length());
return;
}
_make_error("Unknown character");
return;
} break;
}
INCPOS(1);
break;
}
}
Ref<Texture> EditorScriptPreviewPlugin::generate(const RES& p_from) {
Ref<Script> scr = p_from;
if (scr.is_null())
return Ref<Texture>();
String code = scr->get_source_code().strip_edges();
if (code=="")
return Ref<Texture>();
List<String> kwors;
scr->get_language()->get_reserved_words(&kwors);
Set<String> keywords;
for(List<String>::Element *E=kwors.front();E;E=E->next()) {
keywords.insert(E->get());
}
int line = 0;
int col=0;
int thumbnail_size = EditorSettings::get_singleton()->get("filesystem/file_dialog/thumbnail_size");
thumbnail_size*=EDSCALE;
Image img(thumbnail_size,thumbnail_size,0,Image::FORMAT_RGBA8);
Color bg_color = EditorSettings::get_singleton()->get("text_editor/highlighting/background_color");
bg_color.a=1.0;
Color keyword_color = EditorSettings::get_singleton()->get("text_editor/highlighting/keyword_color");
Color text_color = EditorSettings::get_singleton()->get("text_editor/highlighting/text_color");
Color symbol_color = EditorSettings::get_singleton()->get("text_editor/highlighting/symbol_color");
for(int i=0;i<thumbnail_size;i++) {
for(int j=0;j<thumbnail_size;j++) {
img.put_pixel(i,j,bg_color);
}
}
bool prev_is_text=false;
bool in_keyword=false;
for(int i=0;i<code.length();i++) {
CharType c = code[i];
if (c>32) {
if (col<thumbnail_size) {
Color color = text_color;
if (c!='_' && ((c>='!' && c<='/') || (c>=':' && c<='@') || (c>='[' && c<='`') || (c>='{' && c<='~') || c=='\t')) {
//make symbol a little visible
color=symbol_color;
in_keyword=false;
} else if (!prev_is_text && _is_text_char(c)) {
int pos = i;
while(_is_text_char(code[pos])) {
pos++;
}
///print_line("from "+itos(i)+" to "+itos(pos));
String word = code.substr(i,pos-i);
//print_line("found word: "+word);
if (keywords.has(word))
in_keyword=true;
} else if (!_is_text_char(c)) {
in_keyword=false;
}
if (in_keyword)
color=keyword_color;
Color ul=color;
ul.a*=0.5;
img.put_pixel(col,line*2,bg_color.blend(ul));
img.put_pixel(col,line*2+1,color);
prev_is_text=_is_text_char(c);
}
} else {
prev_is_text=false;
in_keyword=false;
if (c=='\n') {
col=0;
line++;
if (line>=thumbnail_size/2)
break;
} else if (c=='\t') {
col+=3;
}
}
col++;
}
Ref<ImageTexture> ptex = Ref<ImageTexture>( memnew( ImageTexture));
ptex->create_from_image(img,0);
return ptex;
}
void LineEdit::_input_event(InputEvent p_event) {
switch(p_event.type) {
case InputEvent::MOUSE_BUTTON: {
const InputEventMouseButton &b = p_event.mouse_button;
if (b.pressed && b.button_index==BUTTON_RIGHT) {
menu->set_pos(get_global_transform().xform(get_local_mouse_pos()));
menu->set_size(Vector2(1,1));
menu->popup();
grab_focus();
return;
}
if (b.button_index!=BUTTON_LEFT)
break;
_reset_caret_blink_timer();
if (b.pressed) {
shift_selection_check_pre(b.mod.shift);
set_cursor_at_pixel_pos(b.x);
if (b.mod.shift) {
selection_fill_at_cursor();
selection.creating=true;
} else {
if (b.doubleclick) {
selection.enabled=true;
selection.begin=0;
selection.end=text.length();
selection.doubleclick=true;
}
selection.drag_attempt=false;
if ((cursor_pos<selection.begin) || (cursor_pos>selection.end) || !selection.enabled) {
selection_clear();
selection.cursor_start=cursor_pos;
selection.creating=true;
} else if (selection.enabled) {
selection.drag_attempt=true;
}
}
// if (!editable)
// non_editable_clicked_signal.call();
update();
} else {
if ( (!selection.creating) && (!selection.doubleclick)) {
selection_clear();
}
selection.creating=false;
selection.doubleclick=false;
if (OS::get_singleton()->has_virtual_keyboard())
OS::get_singleton()->show_virtual_keyboard(text,get_global_rect());
}
update();
}
break;
case InputEvent::MOUSE_MOTION: {
const InputEventMouseMotion& m=p_event.mouse_motion;
if (m.button_mask&BUTTON_LEFT) {
if (selection.creating) {
set_cursor_at_pixel_pos(m.x);
selection_fill_at_cursor();
}
}
}
break;
case InputEvent::KEY: {
const InputEventKey &k =p_event.key;
if (!k.pressed)
return;
unsigned int code = k.scancode;
if (k.mod.command) {
bool handled=true;
switch (code) {
case (KEY_X): { // CUT
if(editable) {
cut_text();
}
}
break;
case (KEY_C): { // COPY
copy_text();
}
break;
case (KEY_V): { // PASTE
if(editable) {
paste_text();
}
}
break;
case (KEY_Z): { // Simple One level undo
if(editable) {
undo();
}
}
break;
case (KEY_U): { // Delete from start to cursor
if(editable) {
selection_clear();
undo_text = text;
text = text.substr(cursor_pos,text.length()-cursor_pos);
Ref<Font> font = get_font("font");
cached_width = 0;
if (font != NULL) {
for (int i = 0; i < text.length(); i++)
cached_width += font->get_char_size(text[i]).width;
}
set_cursor_pos(0);
_text_changed();
}
}
break;
case (KEY_Y): { // PASTE (Yank for unix users)
if(editable) {
paste_text();
}
}
break;
case (KEY_K): { // Delete from cursor_pos to end
if(editable) {
selection_clear();
undo_text = text;
text = text.substr(0,cursor_pos);
_text_changed();
}
}
break;
case (KEY_A): { //Select All
select();
}
break;
default: {
handled=false;
}
}
if (handled) {
accept_event();
return;
}
}
_reset_caret_blink_timer();
if (!k.mod.meta) {
bool handled=true;
switch (code) {
case KEY_ENTER:
case KEY_RETURN: {
emit_signal( "text_entered",text );
if (OS::get_singleton()->has_virtual_keyboard())
OS::get_singleton()->hide_virtual_keyboard();
return;
}
break;
case KEY_BACKSPACE: {
if (!editable)
break;
if (selection.enabled) {
undo_text=text;
selection_delete();
break;
}
#ifdef APPLE_STYLE_KEYS
if (k.mod.alt) {
#else
if (k.mod.alt) {
handled=false;
break;
} else if (k.mod.command) {
#endif
int cc=cursor_pos;
bool prev_char=false;
while (cc>0) {
bool ischar=_is_text_char(text[cc-1]);
if (prev_char && !ischar)
break;
prev_char=ischar;
cc--;
}
delete_text(cc, cursor_pos);
set_cursor_pos(cc);
} else {
undo_text=text;
delete_char();
}
}
break;
case KEY_KP_4: {
if (k.unicode != 0) {
handled = false;
break;
}
// numlock disabled. fallthrough to key_left
}
case KEY_LEFT: {
#ifndef APPLE_STYLE_KEYS
if (!k.mod.alt)
#endif
shift_selection_check_pre(k.mod.shift);
#ifdef APPLE_STYLE_KEYS
if (k.mod.command) {
set_cursor_pos(0);
} else if (k.mod.alt) {
#else
if (k.mod.alt) {
handled=false;
break;
} else if (k.mod.command) {
#endif
bool prev_char=false;
int cc=cursor_pos;
while (cc>0) {
bool ischar=_is_text_char(text[cc-1]);
if (prev_char && !ischar)
break;
prev_char=ischar;
cc--;
}
set_cursor_pos(cc);
} else {
set_cursor_pos(get_cursor_pos()-1);
}
shift_selection_check_post(k.mod.shift);
}
break;
case KEY_KP_6: {
if (k.unicode != 0) {
handled = false;
break;
}
// numlock disabled. fallthrough to key_right
}
case KEY_RIGHT: {
shift_selection_check_pre(k.mod.shift);
#ifdef APPLE_STYLE_KEYS
if (k.mod.command) {
set_cursor_pos(text.length());
} else if (k.mod.alt) {
#else
if (k.mod.alt) {
handled=false;
break;
} else if (k.mod.command) {
#endif
bool prev_char=false;
int cc=cursor_pos;
while (cc<text.length()) {
bool ischar=_is_text_char(text[cc]);
if (prev_char && !ischar)
break;
prev_char=ischar;
cc++;
}
set_cursor_pos(cc);
} else {
set_cursor_pos(get_cursor_pos()+1);
}
shift_selection_check_post(k.mod.shift);
}
break;
case KEY_DELETE: {
if (!editable)
break;
if (k.mod.shift && !k.mod.command && !k.mod.alt) {
cut_text();
break;
}
if (selection.enabled) {
undo_text=text;
selection_delete();
break;
}
int text_len = text.length();
if (cursor_pos==text_len)
break; // nothing to do
#ifdef APPLE_STYLE_KEYS
if (k.mod.alt) {
#else
if (k.mod.alt) {
handled=false;
break;
} else if (k.mod.command) {
#endif
int cc=cursor_pos;
bool prev_char=false;
while (cc<text.length()) {
bool ischar=_is_text_char(text[cc]);
if (prev_char && !ischar)
break;
prev_char=ischar;
cc++;
}
delete_text(cursor_pos,cc);
} else {
undo_text=text;
set_cursor_pos(cursor_pos+1);
delete_char();
}
}
break;
case KEY_KP_7: {
if (k.unicode != 0) {
handled = false;
break;
}
// numlock disabled. fallthrough to key_home
}
case KEY_HOME: {
shift_selection_check_pre(k.mod.shift);
set_cursor_pos(0);
shift_selection_check_post(k.mod.shift);
}
break;
case KEY_KP_1: {
if (k.unicode != 0) {
handled = false;
break;
}
// numlock disabled. fallthrough to key_end
}
case KEY_END: {
shift_selection_check_pre(k.mod.shift);
set_cursor_pos(text.length());
shift_selection_check_post(k.mod.shift);
}
break;
default: {
handled=false;
}
break;
}
if (handled) {
accept_event();
} else if (!k.mod.alt && !k.mod.command) {
if (k.unicode>=32 && k.scancode!=KEY_DELETE) {
if (editable) {
selection_delete();
CharType ucodestr[2]= {(CharType)k.unicode,0};
append_at_cursor(ucodestr);
_text_changed();
accept_event();
}
} else {
return;
}
}
update();
}
return;
}
break;
}
}
void LineEdit::set_align(Align p_align) {
ERR_FAIL_INDEX(p_align, 4);
align = p_align;
update();
}
LineEdit::Align LineEdit::get_align() const {
return align;
}
Variant LineEdit::get_drag_data(const Point2& p_point) {
if (selection.drag_attempt && selection.enabled) {
String t = text.substr(selection.begin, selection.end - selection.begin);
Label *l = memnew( Label );
l->set_text(t);
set_drag_preview(l);
return t;
}
return Variant();
}
bool LineEdit::can_drop_data(const Point2& p_point,const Variant& p_data) const {
return p_data.get_type()==Variant::STRING;
}
void LineEdit::drop_data(const Point2& p_point,const Variant& p_data) {
if (p_data.get_type()==Variant::STRING) {
set_cursor_at_pixel_pos(p_point.x);
int selected = selection.end - selection.begin;
Ref<Font> font = get_font("font");
if (font != NULL) {
for (int i = selection.begin; i < selection.end; i++)
cached_width -= font->get_char_size(text[i]).width;
}
text.erase(selection.begin, selected);
append_at_cursor(p_data);
selection.begin = cursor_pos-selected;
selection.end = cursor_pos;
}
}
void LineEdit::_notification(int p_what) {
switch(p_what) {
#ifdef TOOLS_ENABLED
case NOTIFICATION_ENTER_TREE: {
if (get_tree()->is_editor_hint()) {
cursor_set_blink_enabled(EDITOR_DEF("text_editor/caret_blink", false));
cursor_set_blink_speed(EDITOR_DEF("text_editor/caret_blink_speed", 0.65));
if (!EditorSettings::get_singleton()->is_connected("settings_changed",this,"_editor_settings_changed")) {
EditorSettings::get_singleton()->connect("settings_changed",this,"_editor_settings_changed");
}
}
}
break;
#endif
case NOTIFICATION_RESIZED: {
set_cursor_pos( get_cursor_pos() );
}
break;
case MainLoop::NOTIFICATION_WM_FOCUS_IN: {
window_has_focus = true;
draw_caret = true;
update();
}
break;
case MainLoop::NOTIFICATION_WM_FOCUS_OUT: {
window_has_focus = false;
draw_caret = false;
update();
}
break;
case NOTIFICATION_DRAW: {
if ((!has_focus() && !menu->has_focus()) || !window_has_focus) {
draw_caret = false;
}
int width,height;
Size2 size=get_size();
width=size.width;
height=size.height;
RID ci = get_canvas_item();
Ref<StyleBox> style = get_stylebox("normal");
if (!is_editable())
style=get_stylebox("read_only");
Ref<Font> font=get_font("font");
style->draw( ci, Rect2( Point2(), size ) );
if (has_focus()) {
get_stylebox("focus")->draw( ci, Rect2( Point2(), size ) );
}
int x_ofs=0;
switch (align) {
case ALIGN_FILL:
case ALIGN_LEFT: {
x_ofs=style->get_offset().x;
}
break;
case ALIGN_CENTER: {
x_ofs=int(size.width-(cached_width))/2;
}
break;
case ALIGN_RIGHT: {
x_ofs=int(size.width-style->get_offset().x-(cached_width));
}
break;
}
int ofs_max=width-style->get_minimum_size().width;
int char_ofs=window_pos;
int y_area=height-style->get_minimum_size().height;
int y_ofs=style->get_offset().y;
int font_ascent=font->get_ascent();
Color selection_color=get_color("selection_color");
Color font_color=get_color("font_color");
Color font_color_selected=get_color("font_color_selected");
Color cursor_color=get_color("cursor_color");
const String& t = text.empty() ? placeholder : text;
// draw placeholder color
if(text.empty())
font_color.a *= placeholder_alpha;
int caret_height = font->get_height() > y_area ? y_area : font->get_height();
while(true) {
//end of string, break!
if (char_ofs>=t.length())
break;
CharType cchar=pass?'*':t[char_ofs];
CharType next=pass?'*':t[char_ofs+1];
int char_width=font->get_char_size( cchar,next ).width;
// end of widget, break!
if ((x_ofs + char_width) > ofs_max)
break;
bool selected=selection.enabled && char_ofs>=selection.begin && char_ofs<selection.end;
if (selected)
VisualServer::get_singleton()->canvas_item_add_rect(ci, Rect2(Point2(x_ofs, y_ofs), Size2(char_width, caret_height)), selection_color);
font->draw_char(ci, Point2(x_ofs, y_ofs + font_ascent), cchar, next, selected ? font_color_selected : font_color);
if (char_ofs==cursor_pos && draw_caret) {
VisualServer::get_singleton()->canvas_item_add_rect(ci, Rect2(
Point2( x_ofs , y_ofs ), Size2( 1, caret_height ) ), cursor_color );
}
x_ofs+=char_width;
char_ofs++;
}
if (char_ofs==cursor_pos && draw_caret) {//may be at the end
VisualServer::get_singleton()->canvas_item_add_rect(ci, Rect2(
Point2( x_ofs , y_ofs ), Size2( 1, caret_height ) ), cursor_color );
}
}
break;
case NOTIFICATION_FOCUS_ENTER: {
if (!caret_blink_enabled) {
draw_caret = true;
}
if (OS::get_singleton()->has_virtual_keyboard())
OS::get_singleton()->show_virtual_keyboard(text,get_global_rect());
}
break;
case NOTIFICATION_FOCUS_EXIT: {
if (OS::get_singleton()->has_virtual_keyboard())
OS::get_singleton()->hide_virtual_keyboard();
}
break;
}
}
void LineEdit::copy_text() {
if(selection.enabled) {
OS::get_singleton()->set_clipboard(text.substr(selection.begin, selection.end - selection.begin));
}
}
void LineEdit::cut_text() {
if(selection.enabled) {
undo_text = text;
OS::get_singleton()->set_clipboard(text.substr(selection.begin, selection.end - selection.begin));
selection_delete();
}
}
void LineEdit::paste_text() {
String paste_buffer = OS::get_singleton()->get_clipboard();
if(paste_buffer != "") {
if(selection.enabled) selection_delete();
append_at_cursor(paste_buffer);
_text_changed();
}
}
void LineEdit::undo() {
int old_cursor_pos = cursor_pos;
text = undo_text;
Ref<Font> font = get_font("font");
cached_width = 0;
for (int i = 0; i<text.length(); i++)
cached_width += font->get_char_size(text[i]).width;
if(old_cursor_pos > text.length()) {
set_cursor_pos(text.length());
} else {
set_cursor_pos(old_cursor_pos);
}
_text_changed();
}